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Welding Block 2 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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Welding Block 2 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified Which type of welding process uses a continuously fed wire electrode? A) MIG welding B) Stick welding C) TIG welding D) Spot welding What should be checked before turning on a welding machine? A) ...

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  • January 4, 2025
  • 33
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Welding Block 2

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Welding Block 2 Questions and Answers
| Latest Version | 2024/2025 | Correct &
Verified
Which type of welding process uses a continuously fed wire electrode?


✔✔A) MIG welding


B) Stick welding

C) TIG welding

D) Spot welding




What should be checked before turning on a welding machine?

A) The machine's color


✔✔B) The condition of cables and connections


C) The ambient temperature

D) The size of the room




What is the function of flux in welding?

A) To improve electrical conductivity


✔✔B) To protect the weld pool from contamination


1

,C) To make the weld look shiny

D) To cool the weld quickly




Why is it essential to maintain a proper welding arc length?


✔✔A) To achieve consistent heat and a stable weld bead


B) To increase the speed of the weld

C) To reduce spatter

D) To improve the weld's appearance only




What happens if the welding current is too high?


✔✔A) The metal may burn through or become distorted


B) The weld will be too weak

C) The welding machine will overheat

D) The shielding gas will become ineffective




What is the purpose of shielding gas in MIG welding?

A) To heat the workpiece


✔✔B) To protect the weld from atmospheric contamination


2

,C) To clean the welding equipment

D) To increase the welding speed




Which tool is used to prepare metal edges before welding?


✔✔A) A grinder


B) A drill

C) A chisel

D) A hammer




Why is it important to use the correct electrode for the job?

A) To make the process faster


✔✔B) To ensure proper penetration and weld quality


C) To reduce the need for shielding gas

D) To improve the machine’s efficiency




What is a weld puddle?


✔✔A) The molten pool of metal created during welding


B) A defect in the weld


3

, C) The excess material on the workpiece

D) A spot where shielding gas accumulates




What is one way to avoid weld spatter?

A) Use lower heat settings


✔✔B) Adjust the voltage and amperage properly


C) Weld faster

D) Clean the area after welding




What can happen if a workpiece is not properly grounded during welding?

A) The weld will be stronger

B) The arc will be brighter


✔✔C) The welding circuit may not complete, causing poor weld quality


D) The shielding gas may leak




What is the correct angle for a MIG welding torch during welding?


✔✔A) Typically 10 to 15 degrees from vertical


B) 45 degrees from the workpiece


4

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